/* roulang page: index */
:root{
  --brand-deep:#14332E;
  --brand-ink:#0E1512;
  --brand-link:#1F5C51;
  --accent:#FF6A3D;
  --accent-soft:#FFF1EB;
  --accent-deep:#C2410C;
  --lime:#D9F26B;
  --paper:#F7F5F0;
  --surface:#FFFFFF;
  --line:#E6E2DA;
  --text-1:#1B1F1D;
  --text-2:#5C6663;
  --text-3:#8A918D;
  --radius-card:18px;
  --radius-media:22px;
  --radius-field:10px;
  --shadow-1:0 1px 2px rgba(14,21,18,.04);
  --shadow-2:0 18px 40px -18px rgba(14,21,18,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--paper);
  color:var(--text-1);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
.section{padding:104px 0}
.section--tight{padding:80px 0}
.section--dark{background-color:var(--brand-ink);color:var(--paper)}
.section--dark .h2{color:var(--paper)}
.section--dark .eyebrow{color:#8E9791}
h1,h2,h3{font-family:"Noto Serif SC","Songti SC",serif;letter-spacing:-.01em}
.h1{font-size:64px;line-height:1.08;letter-spacing:-.02em;font-weight:900}
.h2{font-size:38px;line-height:1.2;font-weight:700;color:var(--brand-deep)}
.h3{font-size:20px;line-height:1.4;font-weight:700}
.eyebrow{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--text-3);font-weight:600;margin-bottom:14px}
.lead{font-size:17px;line-height:1.85;color:var(--text-2)}
.muted{color:var(--text-2)}
.num{font-family:"Inter","DIN Alternate",system-ui,sans-serif;font-weight:600;font-variant-numeric:tabular-nums}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--brand-ink);color:var(--paper);font-size:13px;height:36px;display:flex;align-items:center}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:20px}
.topbar__domain{color:#B9C0BC;letter-spacing:.04em}
.topbar__note{color:#D6DAD6;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar__link{color:var(--paper);display:inline-flex;align-items:center;gap:6px;font-weight:500;transition:color .2s var(--ease)}
.topbar__link:hover{color:var(--accent)}
.topbar__link span{transition:transform .25s var(--ease)}
.topbar__link:hover span{transform:translateX(4px)}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:70;background:rgba(247,245,240,.92);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--line);transition:box-shadow .3s var(--ease)}
.site-header.is-stuck{box-shadow:0 8px 24px -16px rgba(14,21,18,.5)}
.nav{height:70px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:flex;align-items:center;gap:12px}
.logo__mark{width:38px;height:38px;border-radius:12px;background:var(--brand-deep);display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.logo__mark i{display:block;width:16px;height:16px;border:2px solid var(--lime);border-radius:4px;transform:rotate(45deg)}
.logo__text{display:flex;flex-direction:column;line-height:1.15}
.logo__main{font-family:"Noto Serif SC",serif;font-weight:900;font-size:18px;color:var(--brand-deep);letter-spacing:-.01em}
.logo__sub{font-size:11px;letter-spacing:.32em;color:var(--text-3)}
.nav__menu{display:flex;align-items:center;gap:6px}
.nav__item{position:relative;display:inline-flex;align-items:center;height:70px;padding:0 14px;font-size:15px;color:var(--text-2);font-weight:500;transition:color .2s var(--ease)}
.nav__item::after{content:"";position:absolute;left:14px;right:14px;bottom:18px;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .28s var(--ease)}
.nav__item:hover{color:var(--text-1)}
.nav__item:hover::after{transform:scaleX(1)}
.nav__item.is-active{color:var(--text-1);font-weight:600}
.nav__item.is-active::after{transform:scaleX(1)}
.nav__actions{display:flex;align-items:center;gap:12px}
.nav__toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:var(--surface);align-items:center;justify-content:center;flex-direction:column;gap:5px}
.nav__toggle span{display:block;width:18px;height:2px;background:var(--brand-deep);border-radius:2px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 26px;border-radius:999px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:background-color .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),transform .2s var(--ease),box-shadow .25s var(--ease)}
.btn:active{transform:scale(.98)}
.btn:focus-visible,button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn--primary{background:var(--accent);color:#fff}
.btn--primary:hover{background:#E9562A;box-shadow:0 12px 26px -14px rgba(255,106,61,.9)}
.btn--ghost{background:transparent;border-color:var(--brand-deep);color:var(--brand-deep)}
.btn--ghost:hover{background:var(--brand-deep);color:var(--paper)}
.btn--sm{min-height:40px;padding:0 18px;font-size:14px}
.btn--block{width:100%}
.btn--disabled{opacity:.4;pointer-events:none}
.text-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--brand-link);transition:color .2s var(--ease)}
.text-link span{transition:transform .25s var(--ease)}
.text-link:hover{color:var(--accent)}
.text-link:hover span{transform:translateX(4px)}

/* ---------- 标签 ---------- */
.tag{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:10px;background:var(--accent-soft);color:var(--accent-deep);font-size:12px;font-weight:600;letter-spacing:.02em}
.tag--lime{background:var(--lime);color:var(--brand-ink)}
.tag--outline{background:transparent;border:1px solid var(--line);color:var(--text-2);font-weight:500}

/* ---------- Hero ---------- */
.hero{position:relative;padding:88px 0 96px;background-color:var(--paper);background-image:linear-gradient(rgba(247,245,240,.93),rgba(247,245,240,.97)),url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center}
.hero__grid{display:grid;grid-template-columns:6fr 6fr;gap:56px;align-items:center}
.hero__title{margin-bottom:22px}
.hero__title .bar{display:inline-block;width:3px;height:.82em;background:var(--accent);vertical-align:-2px;margin:0 14px}
.hero__sub{max-width:520px;margin-bottom:32px}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px}
.hero__stats{display:flex;flex-wrap:wrap;gap:40px;padding-top:26px;border-top:1px solid var(--line)}
.stat__value{font-size:26px;font-family:"Inter",system-ui,sans-serif;font-weight:600;color:var(--brand-deep);line-height:1.2}
.stat__label{font-size:13px;color:var(--text-3);margin-top:2px}

.hero-media{position:relative;display:flex;align-items:center;justify-content:center;gap:16px}
.hero-media__main{position:relative;width:300px;aspect-ratio:9/16;border-radius:var(--radius-media);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-2);background:#EFEDE7}
.hero-media__main img{width:100%;height:100%;object-fit:cover}
.hero-media__side{width:150px;aspect-ratio:9/16;border-radius:var(--radius-media);overflow:hidden;border:1px solid var(--line);background:#EFEDE7;opacity:.9}
.hero-media__side img{width:100%;height:100%;object-fit:cover}
.hero-media__side--l{transform:translateY(26px)}
.hero-media__side--r{transform:translateY(-26px)}
.media-time{position:absolute;left:14px;bottom:14px;background:rgba(14,21,18,.62);color:#fff;font-size:13px;font-weight:600;padding:4px 10px;border-radius:8px;font-family:"Inter",system-ui,sans-serif}
.media-badge{position:absolute;right:14px;top:14px;background:var(--lime);color:var(--brand-ink);font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px}

/* ---------- 横滑区 ---------- */
.rail{display:flex;gap:20px;overflow-x:auto;padding:6px 32px 28px;scroll-snap-type:x mandatory;scrollbar-width:thin}
.rail::-webkit-scrollbar{height:6px}
.rail::-webkit-scrollbar-thumb{background:#D8D3C8;border-radius:99px}
.rail > *{scroll-snap-align:start;flex:0 0 auto}
.clip-card{width:300px;background:var(--surface);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .32s var(--ease),box-shadow .32s var(--ease)}
.clip-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.clip-card__media{position:relative;aspect-ratio:3/4;overflow:hidden;background:#EFEDE7}
.clip-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease)}
.clip-card:hover .clip-card__media img{transform:scale(1.04)}
.clip-card__play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:56px;height:56px;border-radius:50%;background:rgba(247,245,240,.86);display:flex;align-items:center;justify-content:center;transition:transform .28s var(--ease)}
.clip-card:hover .clip-card__play{transform:translate(-50%,-50%) scale(1.08)}
.clip-card__play i{display:block;width:0;height:0;border-left:14px solid var(--brand-ink);border-top:9px solid transparent;border-bottom:9px solid transparent;margin-left:4px}
.clip-card__body{padding:18px 20px 20px}
.clip-card__title{font-size:18px;line-height:1.4;font-weight:700;color:var(--text-1);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:50px;transition:color .2s var(--ease)}
.clip-card:hover .clip-card__title{color:var(--brand-link)}
.clip-card__meta{display:flex;align-items:center;justify-content:space-between;margin-top:14px}
.heat{font-size:13px;color:var(--text-3)}

/* ---------- 编号清单 ---------- */
.list-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.check-list{border-top:1px solid var(--line)}
.check-row{display:grid;grid-template-columns:48px 1fr 96px;align-items:center;gap:24px;padding:26px 16px;border-bottom:1px solid var(--line);transition:background-color .28s var(--ease)}
.check-row:hover{background:var(--paper)}
.check-row__no{font-family:"Noto Serif SC",serif;font-weight:900;font-size:30px;line-height:1;color:var(--accent)}
.check-row:nth-child(even) .check-row__no{color:var(--brand-deep)}
.check-row__title{font-size:20px;font-weight:700;line-height:1.4;color:var(--brand-deep)}
.check-row__desc{font-size:14px;color:var(--text-2);margin-top:4px}
.check-row__thumb{width:96px;height:96px;border-radius:14px;overflow:hidden;border:1px solid var(--line);background:#EFEDE7}
.check-row__thumb img{width:100%;height:100%;object-fit:cover}
.check-row:hover .check-row__thumb{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}

/* ---------- 资讯卡 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
.news-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;transition:transform .32s var(--ease),box-shadow .32s var(--ease)}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.news-card__link{display:flex;flex-direction:column;height:100%}
.news-card__media{aspect-ratio:16/9;overflow:hidden;background:#EFEDE7}
.news-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease)}
.news-card:hover .news-card__media img{transform:scale(1.04)}
.news-card__body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.news-card__title{font-size:18px;line-height:1.5;font-weight:700;margin:14px 0 0;color:var(--text-1);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:54px;transition:color .2s var(--ease)}
.news-card:hover .news-card__title{color:var(--brand-link)}
.news-card__desc{font-size:14px;line-height:1.7;color:var(--text-2);margin-top:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:48px}
.news-card__foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:18px}
.news-card__time{font-size:13px;color:var(--text-3)}
.news-card__arrow{width:32px;height:32px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--brand-link);transition:background-color .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease)}
.news-card:hover .news-card__arrow{background:var(--accent);border-color:var(--accent);color:#fff}

/* ---------- 空态 ---------- */
.empty-state{margin-top:12px;background:var(--accent-soft);border-radius:var(--radius-card);padding:64px 24px;text-align:center}
.empty-state__icon{width:64px;height:64px;margin:0 auto 18px;border-radius:16px;border:1.5px solid var(--accent);opacity:.6}
.empty-state__text{font-size:15px;color:var(--text-2);margin-bottom:20px}

/* ---------- 口碑 ---------- */
.quote-rail{display:flex;gap:18px;overflow-x:auto;padding:6px 32px 22px;scroll-snap-type:x mandatory}
.quote-rail > *{scroll-snap-align:start;flex:0 0 auto}
.quote-card{width:340px;padding:22px;border-radius:var(--radius-card);border:1px solid rgba(247,245,240,.14);background:rgba(247,245,240,.04)}
.quote-card__top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#2C4E47,#14332E);display:flex;align-items:center;justify-content:center;color:var(--lime);font-size:14px;font-weight:700}
.quote-card__name{font-size:14px;color:var(--paper);font-weight:600}
.quote-card__time{font-size:12px;color:#8E9791}
.quote-card__text{font-size:15px;line-height:1.75;color:#C9CFCB}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;background:transparent;border:0;text-align:left;font-size:17px;font-weight:600;color:var(--text-1);cursor:pointer;min-height:44px}
.faq-q:hover{color:var(--brand-link)}
.faq-q__icon{position:relative;width:18px;height:18px;flex:0 0 auto}
.faq-q__icon::before,.faq-q__icon::after{content:"";position:absolute;left:0;top:8px;width:18px;height:2px;background:var(--accent);border-radius:2px;transition:transform .3s var(--ease)}
.faq-q__icon::after{transform:rotate(90deg)}
.faq-item.is-open .faq-q__icon::after{transform:rotate(0)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s var(--ease)}
.faq-a__inner{padding:0 24px 22px}
.faq-a__bar{width:100%;height:3px;background:var(--accent);border-radius:2px;margin-bottom:16px}
.faq-a p{font-size:15px;line-height:1.8;color:var(--text-2)}

/* ---------- 表单 ---------- */
.form-card{max-width:720px;margin:0 auto;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:40px 40px 32px;box-shadow:var(--shadow-1)}
.field{margin-bottom:20px}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:8px;font-weight:600}
.field input,.field textarea{width:100%;min-height:48px;padding:12px 16px;border-radius:var(--radius-field);border:1px solid var(--line);background:var(--paper);transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.field textarea{min-height:120px;resize:vertical}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px rgba(255,106,61,.3)}
.form-note{font-size:13px;color:var(--text-3);margin-top:16px;text-align:center}
.form-ok{display:none;margin-top:16px;font-size:14px;color:var(--brand-link);text-align:center}
.form-ok.is-show{display:block}

/* ---------- CTA ---------- */
.cta-dark{position:relative;background-color:var(--brand-ink);background-image:linear-gradient(rgba(14,21,18,.82),rgba(14,21,18,.9)),url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;color:var(--paper)}
.cta-dark .h2{color:var(--paper)}
.cta-dark__inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-ink);color:#B9C0BC;padding:72px 0 32px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-title{font-size:14px;font-weight:700;color:var(--paper);margin-bottom:18px}
.footer-links li{margin-bottom:12px}
.footer-links a{font-size:14px;color:#B9C0BC;transition:color .2s var(--ease);text-decoration:underline;text-decoration-color:transparent;text-underline-offset:4px}
.footer-links a:hover{color:var(--paper);text-decoration-color:var(--paper)}
.footer-brand__text{font-size:14px;line-height:1.8;color:#9AA29D;margin-top:16px;max-width:320px}
.footer-bottom{margin-top:52px;padding-top:24px;border-top:1px solid rgba(247,245,240,.14);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8E9791}
.footer-top-btn{background:none;border:0;color:#B9C0BC;font-size:13px;cursor:pointer;display:inline-flex;align-items:center;gap:6px;transition:color .2s var(--ease)}
.footer-top-btn:hover{color:var(--paper)}
.footer-logo .logo__main{color:var(--paper)}
.footer-logo .logo__mark{background:#1B3B35}
.footer-logo .logo__sub{color:#8E9791}

/* ---------- 悬浮条 / 返回顶部 ---------- */
.float-bar{position:fixed;right:24px;bottom:24px;z-index:80;display:flex;align-items:center;gap:14px;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:10px 12px 10px 22px;box-shadow:var(--shadow-2);opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s}
.float-bar.is-show{opacity:1;visibility:visible;transform:none}
.float-bar__text{font-size:14px;font-weight:600;color:var(--brand-deep)}
.to-top{position:fixed;right:24px;bottom:104px;z-index:79;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:var(--surface);color:var(--brand-deep);cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-1);opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s}
.to-top.is-show{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--brand-deep);color:var(--paper);border-color:var(--brand-deep)}

/* ---------- 移动抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:90;background:var(--paper);transform:translateX(100%);transition:transform .34s var(--ease);display:flex;flex-direction:column;padding:20px;overflow-y:auto}
.drawer.is-open{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.drawer__close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:var(--surface);font-size:20px;line-height:1;cursor:pointer}
.drawer__nav a{display:flex;align-items:center;justify-content:space-between;height:56px;font-size:17px;font-weight:600;color:var(--brand-deep);border-bottom:1px solid var(--line)}
.drawer__nav a span{color:var(--text-3)}
.drawer__cta{margin-top:28px}

/* ---------- 进场动效 ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
.hero-media__side{animation:floaty 3s ease-in-out infinite}
.hero-media__side--r{animation-delay:.6s}
@keyframes floaty{0%,100%{margin-top:0}50%{margin-top:-8px}}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .h1{font-size:46px}
  .h2{font-size:32px}
  .hero__grid{grid-template-columns:1fr;gap:48px}
  .hero-media{justify-content:flex-start}
  .news-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav__menu{display:none}
  .nav__toggle{display:flex}
  .topbar__note{display:none}
  .cta-dark__inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:64px 0}
  .section--tight{padding:56px 0}
  .h1{font-size:34px}
  .h2{font-size:26px}
  .hero{padding:48px 0 64px}
  .hero__stats{gap:26px}
  .hero-media{flex-direction:column;align-items:stretch}
  .hero-media__main{width:100%;max-width:100%;aspect-ratio:9/16}
  .hero-media__side{display:none}
  .rail{padding-left:20px;padding-right:20px}
  .rail > *{flex:0 0 82%}
  .clip-card{width:82vw}
  .quote-rail{padding-left:20px;padding-right:20px}
  .quote-card{width:80vw}
  .check-row{grid-template-columns:36px 1fr 72px;gap:14px;padding:20px 8px}
  .check-row__no{font-size:24px}
  .check-row__title{font-size:17px}
  .check-row__thumb{width:72px;height:72px;border-radius:12px}
  .form-card{padding:26px 22px 22px}
  .footer-grid{grid-template-columns:1fr}
  .float-bar{left:0;right:0;bottom:0;border-radius:0;border-left:0;border-right:0;border-bottom:0;padding:0 20px;height:64px;justify-content:space-between;padding-bottom:env(safe-area-inset-bottom)}
  .float-bar__text{font-size:13px}
  .to-top{display:none}
  .footer-bottom{padding-bottom:80px}
}

/* roulang page: article */
:root{
  --ink:#0E1512;
  --deep:#14332E;
  --link:#1F5C51;
  --accent:#FF6A3D;
  --accent-deep:#E8562B;
  --accent-soft:#FFF1EB;
  --accent-text:#C2410C;
  --glow:#D9F26B;
  --paper:#F7F5F0;
  --surface:#FFFFFF;
  --line:#E6E2DA;
  --t1:#1B1F1D;
  --t2:#5C6663;
  --t3:#8A918D;
  --r-card:18px;
  --r-media:22px;
  --r-input:10px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(14,21,18,.04);
  --shadow-2:0 18px 40px -18px rgba(14,21,18,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--t1);
  font-family:'Noto Sans SC',system-ui,-apple-system,'Segoe UI',sans-serif;
  font-size:16px;
  line-height:1.8;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:solid;border-width:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700}
p{margin:0}
::selection{background:var(--accent);color:#fff}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--ink);color:var(--paper);font-size:13px;line-height:1.6}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;height:36px;gap:16px}
.topbar__domain{font-family:'Noto Sans SC',sans-serif;font-weight:500;letter-spacing:.02em;color:#B9C0BC}
.topbar__note{display:flex;align-items:center;gap:8px;color:#E7E4DE}
.topbar__note i{width:6px;height:6px;border-radius:50%;background:var(--glow);display:inline-block}
.topbar__cta{display:inline-flex;align-items:center;gap:6px;color:var(--paper);font-weight:500;transition:color .24s var(--ease)}
.topbar__cta:hover{color:var(--accent)}
.topbar__cta svg{transition:transform .24s var(--ease)}
.topbar__cta:hover svg{transform:translateX(4px)}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,245,240,.92);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s var(--ease),background .3s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 24px -16px rgba(14,21,18,.5);background:rgba(247,245,240,.97)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:70px;position:relative}
.logo{display:inline-flex;align-items:center;gap:10px;min-height:44px}
.logo__mark{
  width:34px;height:34px;border-radius:11px;background:var(--deep);
  display:inline-flex;align-items:center;justify-content:center;position:relative;flex:none;
}
.logo__mark i{
  width:12px;height:12px;border-radius:3px;background:var(--accent);
  display:block;transform:rotate(12deg);
}
.logo__text{display:flex;flex-direction:column;line-height:1.1}
.logo__main{font-family:'Noto Serif SC',Georgia,serif;font-weight:900;font-size:18px;letter-spacing:.01em;color:var(--tiny,var(--t1))}
.logo__sub{font-size:10px;letter-spacing:.42em;color:var(--t3);margin-top:3px;text-transform:uppercase}
.nav__menu{display:flex;align-items:center;gap:6px}
.nav__item{
  position:relative;padding:10px 14px;font-size:15px;color:var(--t2);border-radius:10px;
  transition:color .24s var(--ease),background .24s var(--ease);min-height:44px;display:inline-flex;align-items:center;
}
.nav__item::after{
  content:'';position:absolute;left:14px;right:14px;bottom:2px;height:2px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform .28s var(--ease);
}
.nav__item:hover{color:var(--t1)}
.nav__item:hover::after{transform:scaleX(1)}
.nav__item.is-active{color:var(--t1);font-weight:600}
.nav__item.is-active::after{transform:scaleX(1)}
.nav__actions{display:flex;align-items:center;gap:12px}
.nav__toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  align-items:center;justify-content:center;flex-direction:column;gap:4px;background:var(--surface);
}
.nav__toggle span{display:block;width:18px;height:2px;background:var(--deep);border-radius:2px;transition:transform .3s var(--ease),opacity .3s var(--ease)}
.nav__toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav__toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav__toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* 阅读进度 */
.progress{position:absolute;left:0;bottom:-1px;height:2px;width:0;background:var(--accent);transition:width .12s linear}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;padding:12px 22px;min-height:44px;border-radius:var(--r-pill);
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .18s var(--ease),box-shadow .24s var(--ease);
  border:1px solid transparent;cursor:pointer;
}
.btn svg{transition:transform .24s var(--ease)}
.btn:hover svg{transform:translateX(4px)}
.btn:active{transform:scale(.98)}
.btn--primary{background:var(--accent);color:#fff;box-shadow:0 12px 24px -16px rgba(255,106,61,.9)}
.btn--primary:hover{background:var(--accent-deep)}
.btn--ghost{border-color:var(--deep);color:var(--deep);background:transparent}
.btn--ghost:hover{background:var(--deep);color:var(--paper)}
.btn--sm{padding:9px 18px;font-size:14px;min-height:40px}
.btn--block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}

/* ---------- 抽屉 ---------- */
.drawer{
  position:fixed;inset:0;background:var(--paper);z-index:120;display:flex;flex-direction:column;
  padding:20px;transform:translateY(-100%);transition:transform .38s var(--ease);visibility:hidden;
}
.drawer.is-open{transform:translateY(0);visibility:visible}
.drawer__top{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer__close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;background:var(--surface)}
.drawer__list{margin-top:8px;flex:1;overflow-y:auto}
.drawer__link{
  display:flex;align-items:center;justify-content:space-between;height:56px;
  border-bottom:1px solid var(--line);font-size:17px;color:var(--t1);
}
.drawer__link span:last-child{color:var(--t3)}
.drawer__link.is-active{color:var(--accent-text);font-weight:600}
.drawer__foot{padding-top:16px}

/* ---------- 面包屑 ---------- */
.crumb{padding:22px 0 0;font-size:13px;color:var(--t2)}
.crumb__list{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb__list li{display:flex;align-items:center;gap:8px}
.crumb__sep{color:#C9C4BA;font-weight:400}
.crumb a{transition:color .2s var(--ease)}
.crumb a:hover{color:var(--accent)}
.crumb__current{color:var(--t3);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章主体 ---------- */
.article-shell{padding:26px 0 96px}
.article-layout{position:relative}
.article-wrap{max-width:760px;margin:0 auto}
.article-head{padding-bottom:28px;border-bottom:1px solid var(--line)}
.tagrow{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.tag{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:500;
  padding:5px 12px;border-radius:10px;background:var(--accent-soft);color:var(--accent-text);
}
.tag--lime{background:var(--glow);color:var(--ink)}
.tag--line{border:1px solid var(--line);color:var(--t2);background:transparent}
.article-head h1{
  font-family:'Noto Serif SC',Georgia,serif;font-weight:700;font-size:38px;line-height:1.25;
  letter-spacing:-.01em;color:var(--t1);
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;font-size:13px;color:var(--t3)}
.article-meta .num{font-variant-numeric:tabular-nums;font-weight:600;color:var(--t2)}
.article-meta i{width:1px;height:12px;background:var(--line);display:inline-block}

.article-body{padding-top:34px;font-size:17px;line-height:1.9;color:var(--t1);overflow-wrap:break-word}
.article-body>p:first-child{color:var(--t2)}
.article-body p{margin:0 0 1.3em}
.article-body h2{
  font-family:'Noto Serif SC',Georgia,serif;font-size:28px;line-height:1.3;margin:56px 0 18px;
  position:relative;padding-left:16px;scroll-margin-top:110px;color:var(--deep);
}
.article-body h2::before{content:'';position:absolute;left:0;top:.32em;width:4px;height:20px;background:var(--accent);border-radius:2px}
.article-body h3{font-size:21px;line-height:1.4;margin:36px 0 14px;color:var(--t1)}
.article-body h4{font-size:18px;margin:28px 0 12px;color:var(--t1)}
.article-body ul{margin:0 0 1.3em;padding:0}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:.45em}
.article-body ul li::before{content:'';position:absolute;left:0;top:.72em;width:6px;height:6px;background:var(--deep);border-radius:1px}
.article-body ol{margin:0 0 1.3em;counter-reset:olc}
.article-body ol li{position:relative;padding-left:26px;margin-bottom:.45em;counter-increment:olc}
.article-body ol li::before{
  content:counter(olc);position:absolute;left:0;top:.28em;font-size:13px;font-weight:600;
  color:var(--accent-text);background:var(--accent-soft);width:20px;height:20px;border-radius:6px;
  display:flex;align-items:center;justify-content:center;
}
.article-body blockquote{
  margin:28px 0;padding:20px 24px;background:var(--accent-soft);border-left:3px solid var(--accent);
  border-radius:0 12px 12px 0;color:var(--t2);font-size:16px;
}
.article-body img{border-radius:16px;border:1px solid var(--line);margin:28px auto;height:auto}
.article-body figure{margin:28px 0}
.article-body figcaption{font-size:13px;color:var(--t2);text-align:center;margin-top:10px}
.article-body a{color:var(--link);text-decoration:underline;text-underline-offset:3px;transition:color .2s var(--ease)}
.article-body a:hover{color:var(--accent)}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:24px 0}
.article-body th{background:var(--deep);color:var(--paper);padding:12px 16px;text-align:left;font-weight:600}
.article-body td{padding:12px 16px;border:1px solid var(--line);background:var(--surface)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:40px 0}
.article-body code{background:var(--accent-soft);color:var(--accent-text);padding:2px 6px;border-radius:6px;font-size:.92em}
.article-body pre{background:var(--ink);color:#EDEDE9;padding:20px;border-radius:14px;overflow-x:auto;font-size:14px;line-height:1.7}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:24px 0;border-radius:14px;border:1px solid var(--line)}
.table-scroll table{margin:0;min-width:520px}

.article-empty{
  background:var(--accent-soft);border:1px solid #F3D9CE;border-radius:var(--r-card);
  padding:64px 28px;text-align:center;margin-top:34px;
}
.article-empty h2{font-family:'Noto Serif SC',Georgia,serif;font-size:24px;color:var(--deep)}
.article-empty p{margin:12px 0 24px;color:var(--t2);font-size:15px}

/* 标签行 */
.article-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:44px;padding-top:24px;border-top:1px solid var(--line)}
.article-tags__label{font-size:13px;color:var(--t3);margin-right:2px}

/* 上下篇 */
.article-nav{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:36px}
.navcard{
  display:flex;flex-direction:column;gap:8px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:22px;box-shadow:var(--shadow-1);
  transition:transform .32s var(--ease),box-shadow .32s var(--ease),border-color .32s var(--ease);
}
.navcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#DAD5CA}
.navcard__label{font-size:13px;color:var(--t3);font-weight:500}
.navcard__title{font-size:18px;line-height:1.45;color:var(--t1);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.navcard:hover .navcard__title{color:var(--link)}
.navcard__hint{font-size:13px;color:var(--t3);display:inline-flex;align-items:center;gap:6px}
.navcard--next{text-align:right;align-items:flex-end}
.navcard--next .navcard__hint{flex-direction:row-reverse}
.backrow{margin-top:30px}

/* 相关推荐 */
.related{margin-top:80px;padding-top:56px;border-top:1px solid var(--line)}
.section-eyebrow{font-size:13px;letter-spacing:.16em;color:var(--t3);text-transform:uppercase;margin-bottom:10px}
.section-title{font-family:'Noto Serif SC',Georgia,serif;font-size:30px;line-height:1.25;color:var(--deep)}
.related__grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px;margin-top:30px}
.rcard{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);height:100%;
  transition:transform .32s var(--ease),box-shadow .32s var(--ease);
}
.rcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.rcard__media{position:relative;aspect-ratio:16/9;background:#EFEDE7;overflow:hidden}
.rcard__media img{width:100%;height:100%;object-fit:cover;object-position:center;transition:transform .32s var(--ease)}
.rcard:hover .rcard__media img{transform:scale(1.04)}
.rcard__body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rcard__title{font-size:18px;line-height:1.45;color:var(--t1);min-height:52px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rcard:hover .rcard__title{color:var(--link)}
.rcard__desc{font-size:14px;line-height:1.7;color:var(--t2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rcard__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--t3)}
.rcard__foot svg{transition:transform .24s var(--ease);color:var(--accent)}
.rcard:hover .rcard__foot svg{transform:translateX(4px)}

/* 目录 */
.toc{display:none}
.toc__inner{position:sticky;top:110px}
.toc__title{font-size:13px;letter-spacing:.14em;color:var(--t3);text-transform:uppercase;margin-bottom:14px}
.toc__list{display:flex;flex-direction:column;gap:2px}
.toc__link{
  display:block;font-size:14px;line-height:1.6;color:var(--t2);padding:6px 0 6px 12px;border-left:2px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.toc__link:hover{color:var(--t1)}
.toc__link.is-current{color:var(--deep);font-weight:600;border-left-color:var(--accent)}
.toc-mobile{margin-top:28px;border:1px solid var(--line);border-radius:var(--r-input);background:var(--surface);overflow:hidden}
.toc-mobile summary{padding:14px 18px;font-size:15px;font-weight:600;color:var(--deep);cursor:pointer;list-style:none}
.toc-mobile summary::-webkit-details-marker{display:none}
.toc-mobile[open] summary{border-bottom:1px solid var(--line)}
.toc-mobile .toc__list{padding:12px 18px 16px}

/* 悬浮行动条 */
.floatbar{
  position:fixed;right:24px;bottom:24px;z-index:90;display:flex;align-items:center;gap:14px;
  background:rgba(14,21,18,.95);color:var(--paper);border-radius:var(--r-pill);
  padding:10px 12px 10px 20px;box-shadow:0 18px 40px -18px rgba(14,21,18,.6);
  opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .35s var(--ease),transform .35s var(--ease),visibility .35s;
}
.floatbar.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.floatbar__text{font-size:14px;color:#D7D6D1;display:flex;align-items:center;gap:8px}
.floatbar__text i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block}
.to-top{
  position:fixed;right:24px;bottom:96px;z-index:90;width:44px;height:44px;border-radius:50%;
  background:var(--surface);border:1px solid var(--line);color:var(--deep);display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-1);opacity:0;visibility:hidden;transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s;
}
.to-top.is-visible{opacity:1;visibility:visible}
.to-top:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}

/* 转化区 */
.cta-band{
  background:var(--ink);color:var(--paper);padding:88px 0;margin-top:0;
  background-image:linear-gradient(rgba(14,21,18,.82),rgba(14,21,18,.9)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.cta-band__inner{max-width:720px;margin:0 auto;text-align:center}
.cta-band h2{font-family:'Noto Serif SC',Georgia,serif;font-size:34px;line-height:1.28;color:var(--paper)}
.cta-band p{margin:16px 0 28px;color:#B9C0BC;font-size:15px}
.cta-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}
.cta-band .btn--ghost{border-color:rgba(247,245,240,.4);color:var(--paper)}
.cta-band .btn--ghost:hover{background:var(--paper);color:var(--ink);border-color:var(--paper)}

/* 页脚 */
.site-footer{background:var(--ink);color:var(--paper);padding:72px 0 32px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-logo .logo__main{color:var(--paper)}
.footer-logo .logo__sub{color:#8E9693}
.footer-logo .logo__mark{background:rgba(247,245,240,.1)}
.footer-brand__text{margin-top:18px;font-size:14px;line-height:1.8;color:#B9C0BC;max-width:320px}
.footer-title{font-size:14px;font-weight:600;color:var(--paper);margin-bottom:16px;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a,.footer-links span{font-size:14px;color:#B9C0BC;transition:color .2s var(--ease)}
.footer-links a:hover{color:var(--paper);text-decoration:underline;text-underline-offset:4px}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(247,245,240,.14);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#9AA19E;
}
.footer-top-btn{font-size:13px;color:#B9C0BC;transition:color .2s var(--ease)}
.footer-top-btn:hover{color:var(--accent)}

/* 进场动效 */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* 断点 */
@media (min-width:1280px){
  .article-layout{display:grid;grid-template-columns:minmax(0,1fr) 200px;gap:48px}
  .article-wrap{margin:0 auto}
  .toc{display:block}
  .toc-mobile{display:none}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .nav__menu{display:none}
  .nav__toggle{display:flex}
  .related__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .article-head h1{font-size:30px}
  .footer-brand__text{max-width:100%}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .topbar__note{display:none}
  .article-shell{padding:20px 0 72px}
  .article-head h1{font-size:28px}
  .article-body{font-size:17px;padding-top:26px}
  .article-body h2{font-size:24px;margin-top:44px}
  .article-body h3{font-size:19px}
  .article-nav{grid-template-columns:1fr}
  .related__grid{grid-template-columns:1fr;gap:20px}
  .related{padding-top:44px;margin-top:64px}
  .section-title{font-size:26px}
  .cta-band{padding:64px 0}
  .cta-band h2{font-size:26px}
  .to-top{display:none}
  .floatbar{
    left:0;right:0;bottom:0;border-radius:0;padding:10px 16px calc(10px + env(safe-area-inset-bottom));
    justify-content:space-between;gap:10px;background:rgba(14,21,18,.98);
  }
  .floatbar__text{font-size:13px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
  --brand-ink:#0E1512;
  --brand-deep:#14332E;
  --brand-link:#1F5C51;
  --accent:#FF6A3D;
  --accent-hover:#F0562A;
  --accent-soft:#FFF1EB;
  --accent-text:#C2410C;
  --lime:#D9F26B;
  --paper:#F7F5F0;
  --surface:#FFFFFF;
  --line:#E6E2DA;
  --t1:#1B1F1D;
  --t2:#5C6663;
  --t3:#8A918D;
  --r-card:18px;
  --r-media:22px;
  --r-input:10px;
  --shadow-1:0 1px 2px rgba(14,21,18,.04);
  --shadow-2:0 18px 40px -18px rgba(14,21,18,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --serif:"Noto Serif SC","Songti SC",Georgia,serif;
  --sans:"Noto Sans SC","Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  color:var(--t1);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;background:#EFEDE7}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3{font-family:var(--serif);font-weight:700;letter-spacing:-.01em}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section--tight{padding:64px 0}
.section-head{max-width:760px;margin-bottom:48px}
.eyebrow{
  font-size:13px;font-weight:600;letter-spacing:.18em;color:var(--t3);
  text-transform:uppercase;margin-bottom:14px;
}
.section-title{font-size:38px;line-height:1.2;font-weight:900;color:var(--brand-deep)}
.section-desc{margin-top:16px;font-size:16px;color:var(--t2);max-width:640px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 24px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background-color .28s var(--ease),color .28s var(--ease),border-color .28s var(--ease),transform .28s var(--ease);
}
.btn--sm{min-height:40px;padding:0 20px;font-size:14px}
.btn--primary{background:var(--accent);color:#F7F5F0}
.btn--primary:hover{background:var(--accent-hover)}
.btn--primary svg{transition:transform .28s var(--ease)}
.btn--primary:hover svg{transform:translateX(4px)}
.btn--ghost{border-color:var(--brand-deep);color:var(--brand-deep);background:transparent}
.btn--ghost:hover{background:var(--brand-deep);color:var(--paper)}
.btn--light{border-color:rgba(247,245,240,.5);color:var(--paper)}
.btn--light:hover{background:var(--paper);color:var(--brand-ink);border-color:var(--paper)}
.btn:active{transform:scale(.98)}
.btn--block{width:100%}

.link-arrow{
  display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;
  color:var(--brand-link);transition:color .28s var(--ease);
}
.link-arrow svg{transition:transform .28s var(--ease)}
.link-arrow:hover{color:var(--accent)}
.link-arrow:hover svg{transform:translateX(4px)}

/* ---------- 标签 / 徽章 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:10px;font-size:12px;font-weight:600;
  background:var(--accent-soft);color:var(--accent-text);
}
.badge-lime{
  display:inline-flex;align-items:center;padding:4px 10px;border-radius:10px;
  font-size:12px;font-weight:600;background:var(--lime);color:var(--brand-ink);
}
.anchor-tags{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.anchor-tag{
  display:inline-flex;align-items:center;min-height:40px;padding:0 18px;
  border-radius:999px;background:rgba(255,106,61,.14);color:#FFD9CB;
  font-size:14px;font-weight:500;border:1px solid rgba(255,106,61,.35);
  transition:background-color .28s var(--ease),color .28s var(--ease);
}
.anchor-tag:hover{background:var(--accent);color:#FBF7F3;border-color:var(--accent)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,240,.92);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s var(--ease);
}
.site-header.is-stuck{box-shadow:0 8px 24px -16px rgba(14,21,18,.45)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.logo{display:flex;align-items:center;gap:12px}
.logo__mark{
  width:38px;height:38px;border-radius:12px;background:var(--brand-deep);
  display:grid;place-items:center;flex:0 0 auto;
}
.logo__mark i{display:block;width:14px;height:14px;border-radius:4px;background:var(--accent)}
.logo__text{display:flex;flex-direction:column;line-height:1.1}
.logo__main{font-family:var(--serif);font-weight:700;font-size:17px;color:var(--t1);letter-spacing:.01em}
.logo__sub{font-size:11px;letter-spacing:.34em;color:var(--t3);margin-top:3px}
.nav__menu{display:flex;align-items:center;gap:30px}
.nav__item{
  position:relative;display:inline-flex;align-items:center;height:72px;
  font-size:15px;color:var(--t2);transition:color .28s var(--ease);
}
.nav__item::after{
  content:"";position:absolute;left:0;right:0;bottom:18px;height:2px;width:0;
  background:var(--accent);transition:width .3s var(--ease);
}
.nav__item:hover{color:var(--t1)}
.nav__item:hover::after{width:100%}
.nav__item.is-active{color:var(--t1);font-weight:600}
.nav__item.is-active::after{width:100%}
.nav__actions{display:flex;align-items:center;gap:16px}
.nav__toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:var(--surface);cursor:pointer;padding:11px 10px;
  flex-direction:column;justify-content:space-between;
}
.nav__toggle span{display:block;height:2px;background:var(--t1);border-radius:2px}

/* 抽屉 */
.nav-drawer{
  position:fixed;inset:0;z-index:90;background:var(--paper);
  padding:24px 20px 32px;display:flex;flex-direction:column;
  transform:translateY(-100%);opacity:0;pointer-events:none;
  transition:transform .36s var(--ease),opacity .36s var(--ease);
}
.nav-drawer.is-open{transform:translateY(0);opacity:1;pointer-events:auto}
.nav-drawer__head{display:flex;align-items:center;justify-content:space-between}
.nav-drawer__close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--surface);cursor:pointer;display:grid;place-items:center;
}
.nav-drawer__list{margin-top:28px;flex:1}
.nav-drawer__list a{
  display:flex;align-items:center;justify-content:space-between;
  height:56px;font-size:17px;color:var(--t1);border-bottom:1px solid var(--line);
}
.nav-drawer__list a.is-active{color:var(--accent-text);font-weight:600}

/* ---------- Hero ---------- */
.web-hero{position:relative;overflow:hidden;background:var(--brand-ink);color:var(--paper)}
.web-hero__bg{
  position:absolute;inset:0;
  background-image:linear-gradient(100deg,rgba(14,21,18,.96) 0%,rgba(14,21,18,.82) 52%,rgba(20,51,46,.66) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.web-hero__inner{position:relative;display:grid;grid-template-columns:6fr 5fr;gap:64px;align-items:center;padding:88px 0 96px}
.web-hero h1{
  font-size:56px;line-height:1.1;letter-spacing:-.02em;color:var(--paper);
  font-weight:900;margin-top:6px;
}
.web-hero h1 em{font-style:normal;color:var(--accent);padding:0 4px}
.web-hero__lead{margin-top:22px;font-size:17px;line-height:1.85;color:#C7CFCB;max-width:520px}
.web-hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.web-hero__figure{
  position:relative;border-radius:var(--r-media);overflow:hidden;
  border:1px solid rgba(247,245,240,.18);
  box-shadow:0 30px 60px -30px rgba(0,0,0,.7);
}
.web-hero__figure img{width:100%;aspect-ratio:4/5;object-fit:cover}
.web-hero__figure figcaption{
  position:absolute;left:16px;bottom:16px;right:16px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 14px;border-radius:14px;
  background:rgba(14,21,18,.7);border:1px solid rgba(247,245,240,.16);
  font-size:13px;color:#E4E8E5;
}
.web-hero__watermark{
  position:absolute;top:16px;right:16px;
}
.hero-meta{display:flex;flex-wrap:wrap;gap:36px;margin-top:44px}
.hero-meta__item{display:flex;flex-direction:column}
.hero-meta__num{font-family:Inter,var(--sans);font-size:26px;font-weight:600;color:var(--paper);letter-spacing:-.01em}
.hero-meta__label{font-size:13px;color:#9BA5A0}

/* ---------- 交替图文长条 ---------- */
.zigzag-list{display:flex;flex-direction:column;gap:72px}
.zigzag{display:grid;grid-template-columns:5fr 6fr;gap:60px;align-items:center;scroll-margin-top:96px}
.zigzag__media{position:relative;border-radius:var(--r-media);overflow:hidden;border:1px solid var(--line);background:#EFEDE7}
.zigzag__media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s var(--ease)}
.zigzag:hover .zigzag__media img{transform:scale(1.04)}
.zigzag.is-reverse .zigzag__media{order:2}
.zigzag__num{
  font-family:var(--serif);font-size:34px;font-weight:900;color:var(--accent);
  display:block;line-height:1;margin-bottom:14px;
}
.zigzag__title{font-size:22px;font-weight:700;color:var(--brand-deep);line-height:1.4}
.zigzag__body p{margin-top:14px;font-size:16px;color:var(--t2);max-width:520px}
.dot-list{margin-top:20px;display:flex;flex-direction:column;gap:10px}
.dot-list li{position:relative;padding-left:20px;font-size:15px;color:var(--t2)}
.dot-list li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;
  background:var(--accent);border-radius:1px;
}
.zigzag .link-arrow{margin-top:24px}

/* ---------- 数据条 + 标签 ---------- */
.stats-band{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.stat{display:flex;flex-direction:column;gap:6px;padding-left:20px;border-left:2px solid var(--accent)}
.stat__num{font-family:Inter,var(--sans);font-size:34px;font-weight:600;color:var(--brand-deep);letter-spacing:-.02em;line-height:1.1}
.stat__label{font-size:14px;color:var(--t3)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:44px}
.tag-cloud .tag{background:#F1EEE7;color:var(--t2);border:1px solid var(--line)}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:8px;position:relative}
.flow__step{position:relative;padding-top:28px;border-top:2px solid var(--line)}
.flow__step::before{
  content:"";position:absolute;top:-7px;left:0;width:12px;height:12px;border-radius:50%;
  background:var(--accent);
}
.flow__num{font-family:Inter,var(--sans);font-size:14px;font-weight:600;color:var(--accent-text);letter-spacing:.08em}
.flow__step h3{font-size:19px;font-weight:700;color:var(--brand-deep);margin-top:8px}
.flow__step p{margin-top:8px;font-size:14px;color:var(--t2)}

/* ---------- 转化表单 ---------- */
.contact{background:var(--surface);border-top:1px solid var(--line)}
.contact__wrap{max-width:720px;margin:0 auto}
.contact-form{margin-top:36px;display:grid;gap:20px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:13px;color:var(--t2);font-weight:500}
.field input,.field textarea{
  width:100%;min-height:48px;padding:12px 14px;border-radius:var(--r-input);
  border:1px solid var(--line);background:var(--paper);color:var(--t1);
  transition:border-color .28s var(--ease),box-shadow .28s var(--ease),background-color .28s var(--ease);
}
.field textarea{min-height:120px;resize:vertical}
.field input:hover,.field textarea:hover{border-color:#CFC9BE}
.field input:focus,.field textarea:focus{
  outline:none;background:var(--surface);border-color:var(--accent);
  box-shadow:0 0 0 4px rgba(255,106,61,.18);
}
.form-note{font-size:13px;color:var(--t3);margin-top:14px}
.form-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap}

/* ---------- 悬浮行动条 ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:70;
  display:flex;align-items:center;gap:14px;
  padding:10px 12px 10px 20px;border-radius:999px;
  background:var(--brand-ink);color:var(--paper);
  box-shadow:0 20px 40px -20px rgba(14,21,18,.6);
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity .36s var(--ease),transform .36s var(--ease);
}
.float-cta.is-show{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta span{font-size:14px;color:#DCE2DF}
.float-cta .btn{min-height:38px;padding:0 18px;font-size:14px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-ink);color:var(--paper);padding:72px 0 32px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-logo{margin-bottom:18px}
.footer-logo .logo__main{color:var(--paper)}
.footer-logo .logo__sub{color:#8F9994}
.footer-logo .logo__mark{background:rgba(247,245,240,.1)}
.footer-brand__text{font-size:14px;line-height:1.85;color:#B9C0BC;max-width:320px}
.footer-title{font-family:var(--sans);font-size:14px;font-weight:600;color:var(--paper);margin-bottom:18px}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a,.footer-links span{font-size:14px;color:#B9C0BC;transition:color .28s var(--ease)}
.footer-links a:hover{color:var(--paper);text-decoration:underline;text-underline-offset:4px}
.footer-bottom{
  margin-top:56px;padding-top:24px;border-top:1px solid rgba(247,245,240,.14);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8F9994;
}
.footer-top-btn{
  background:none;border:none;cursor:pointer;color:#B9C0BC;font-size:13px;
  min-height:44px;transition:color .28s var(--ease);
}
.footer-top-btn:hover{color:var(--paper)}

/* ---------- 进场动效 ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .container{padding:0 24px}
  .section{padding:76px 0}
  .section-title{font-size:32px}
  .web-hero__inner{grid-template-columns:1fr;gap:48px;padding:64px 0 72px}
  .web-hero h1{font-size:42px}
  .zigzag{grid-template-columns:1fr;gap:28px}
  .zigzag.is-reverse .zigzag__media{order:0}
  .flow{grid-template-columns:repeat(2,1fr);gap:32px 24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .section-title{font-size:27px}
  .nav__menu{display:none}
  .nav__toggle{display:flex}
  .nav__actions .btn--primary{display:none}
  .web-hero h1{font-size:34px}
  .web-hero__lead{font-size:16px}
  .hero-meta{gap:24px}
  .stats{grid-template-columns:1fr;gap:20px}
  .flow{grid-template-columns:1fr}
  .float-cta{
    right:0;left:0;bottom:0;border-radius:0;padding:10px 16px calc(10px + env(safe-area-inset-bottom));
    justify-content:space-between;transform:translateY(100%);
  }
  .float-cta.is-show{transform:translateY(0)}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .web-hero h1{font-size:30px}
  .zigzag__title{font-size:20px}
  .stat__num{font-size:28px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category3 */
:root{
  --brand-ink:#0E1512;
  --brand-deep:#14332E;
  --brand-link:#1F5C51;
  --accent:#FF6A3D;
  --accent-soft:#FFF1EB;
  --accent-ink:#C2410C;
  --lime:#D9F26B;
  --paper:#F7F5F0;
  --surface:#FFFFFF;
  --line:#E6E2DA;
  --text-1:#1B1F1D;
  --text-2:#5C6663;
  --text-3:#8A918D;
  --radius-card:18px;
  --radius-media:22px;
  --radius-field:10px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(14,21,18,.04);
  --shadow-2:0 18px 40px -18px rgba(14,21,18,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body.site-body{
  margin:0;
  background:var(--paper);
  color:var(--text-1);
  font-family:"Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4,p{margin:0}
.container{width:100%;max-width:1240px;margin:0 auto;padding-left:32px;padding-right:32px}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(247,245,240,.92);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 24px -16px rgba(14,21,18,.55)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:70px}
.logo{display:flex;align-items:center;gap:11px}
.logo__mark{
  width:38px;height:38px;border-radius:11px;background:var(--brand-deep);
  display:grid;place-items:center;flex:0 0 auto;
}
.logo__mark i{display:block;width:12px;height:12px;background:var(--accent);border-radius:2px;transform:rotate(45deg)}
.logo__text{display:flex;flex-direction:column;line-height:1.05}
.logo__main{font-family:"Noto Serif SC",serif;font-weight:900;font-size:18px;color:var(--text-1);letter-spacing:.01em}
.logo__sub{font-size:10px;letter-spacing:.34em;color:var(--text-3);margin-top:3px}
.nav__menu{display:flex;align-items:center;gap:28px}
.nav__item{
  position:relative;font-size:15px;color:var(--text-2);padding:6px 2px;
  transition:color .25s var(--ease);
}
.nav__item::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform .3s var(--ease);
}
.nav__item:hover{color:var(--text-1)}
.nav__item:hover::after{transform:scaleX(1)}
.nav__item.is-active{color:var(--text-1);font-weight:600}
.nav__item.is-active::after{transform:scaleX(1)}
.nav__actions{display:flex;align-items:center;gap:14px}
.nav__toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:var(--surface);cursor:pointer;padding:0;place-items:center;gap:4px;
  flex-direction:column;justify-content:center;align-items:center;
}
.nav__toggle span{display:block;width:18px;height:2px;background:var(--text-1);border-radius:2px;transition:transform .3s var(--ease),opacity .3s var(--ease)}

/* 抽屉 */
.drawer{
  position:fixed;inset:0;z-index:90;background:var(--paper);
  transform:translateY(-100%);opacity:0;visibility:hidden;
  transition:transform .35s var(--ease),opacity .3s var(--ease),visibility .3s;
  display:flex;flex-direction:column;
  overflow-y:auto;
}
.drawer.is-open{transform:translateY(0);opacity:1;visibility:visible}
.drawer__top{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line)}
.drawer__close{
  width:44px;height:44px;border:1px solid var(--line);background:var(--surface);
  border-radius:12px;cursor:pointer;font-size:20px;line-height:1;color:var(--text-1);
}
.drawer__list{padding:12px 20px 0}
.drawer__link{
  display:flex;align-items:center;justify-content:space-between;
  height:56px;font-size:17px;color:var(--text-2);border-bottom:1px solid var(--line);
}
.drawer__link.is-active{color:var(--text-1);font-weight:600}
.drawer__link span{color:var(--text-3);font-size:15px}
.drawer__cta{padding:24px 20px 40px;margin-top:auto}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-pill);font-size:15px;font-weight:600;
  padding:13px 26px;min-height:44px;cursor:pointer;border:1px solid transparent;
  transition:background-color .28s var(--ease),color .28s var(--ease),border-color .28s var(--ease),transform .2s var(--ease),box-shadow .28s var(--ease);
}
.btn--primary{background:var(--accent);color:#FFFFFF}
.btn--primary:hover{background:#EC5A2D;box-shadow:0 14px 28px -16px rgba(255,106,61,.75)}
.btn--primary:active{transform:scale(.98)}
.btn--ghost{border-color:var(--brand-deep);color:var(--brand-deep);background:transparent}
.btn--ghost:hover{background:var(--brand-deep);color:var(--paper)}
.btn--ghost:active{transform:scale(.98)}
.btn--sm{padding:9px 18px;font-size:14px;min-height:40px}
.btn--block{width:100%}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,.faq-q:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px;
}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--brand-link);font-weight:600;font-size:15px}
.link-arrow i{display:inline-block;transition:transform .28s var(--ease);font-style:normal}
.link-arrow:hover{color:var(--accent)}
.link-arrow:hover i{transform:translateX(4px)}

/* ---------- 通用排版 ---------- */
.kicker{
  font-size:13px;font-weight:600;letter-spacing:.2em;color:var(--text-3);
  text-transform:uppercase;margin-bottom:14px;
}
.h2{font-family:"Noto Serif SC",serif;font-weight:700;font-size:38px;line-height:1.22;letter-spacing:-.01em}
.h3{font-family:"Noto Serif SC",serif;font-weight:700;font-size:22px;line-height:1.35}
.section{padding:104px 0}
.section--tight{padding:76px 0}
.section--paper{background:var(--paper)}
.section--surface{background:var(--surface)}
.sec-head{max-width:720px;margin-bottom:52px}
.sec-head__desc{color:var(--text-2);font-size:16px;margin-top:16px;max-width:640px}
.sec-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;max-width:none}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--brand-ink);color:var(--paper)}
.hero__bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.45;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(14,21,18,.95) 0%,rgba(20,51,46,.88) 52%,rgba(14,21,18,.72) 100%);
}
.hero__inner{position:relative;z-index:2;padding-top:96px;padding-bottom:96px;display:grid;grid-template-columns:1.15fr .85fr;gap:64px;align-items:center}
.hero__kicker{font-size:13px;letter-spacing:.22em;color:#B9C0BC;font-weight:600;margin-bottom:18px}
.hero__title{
  font-family:"Noto Serif SC",serif;font-weight:900;
  font-size:58px;line-height:1.1;letter-spacing:-.02em;color:var(--paper);
}
.hero__title-sep{display:inline-block;width:3px;height:.72em;background:var(--accent);vertical-align:-2px;margin:0 14px;border-radius:2px}
.hero__lead{margin-top:24px;font-size:17px;line-height:1.85;color:#D6DBD8;max-width:560px}
.hero-search{
  margin-top:30px;display:flex;gap:10px;max-width:520px;
  background:rgba(247,245,240,.08);border:1px solid rgba(247,245,240,.18);
  border-radius:var(--radius-pill);padding:6px 6px 6px 20px;
}
.hero-search input{
  flex:1;background:transparent;border:0;color:var(--paper);font-size:15px;min-height:44px;
}
.hero-search input::placeholder{color:#8F9894}
.hero-search__btn{
  border:0;border-radius:var(--radius-pill);background:var(--accent);color:#fff;
  font-weight:600;font-size:15px;padding:0 24px;min-height:44px;cursor:pointer;
  transition:background-color .28s var(--ease);
}
.hero-search__btn:hover{background:#EC5A2D}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero__actions .btn--ghost{border-color:rgba(247,245,240,.4);color:var(--paper)}
.hero__actions .btn--ghost:hover{background:var(--paper);color:var(--brand-ink);border-color:var(--paper)}
.hero__stats{display:flex;flex-wrap:wrap;gap:40px;margin-top:44px;padding-top:28px;border-top:1px solid rgba(247,245,240,.16)}
.hero__stat-num{font-family:"Noto Serif SC",serif;font-weight:900;font-size:28px;color:var(--lime);line-height:1.2}
.hero__stat-label{font-size:13px;color:#B9C0BC;margin-top:6px}
.hero__art{position:relative}
.hero__art img{
  width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:var(--radius-media);
  border:1px solid rgba(247,245,240,.18);
}
.hero__badge{
  position:absolute;top:18px;right:18px;background:var(--lime);color:var(--brand-ink);
  font-size:12px;font-weight:600;padding:6px 12px;border-radius:10px;
}
.hero__note{
  position:absolute;left:18px;bottom:18px;background:rgba(14,21,18,.72);
  border:1px solid rgba(247,245,240,.18);border-radius:12px;
  padding:10px 14px;font-size:13px;color:#E4E8E6;
}

/* ---------- 快速入口 ---------- */
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.quick-card{
  display:flex;flex-direction:column;justify-content:space-between;gap:24px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:30px 26px 28px;min-height:238px;box-shadow:var(--shadow-1);
  transition:transform .32s var(--ease),box-shadow .32s var(--ease),border-color .32s var(--ease);
}
.quick-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D6D1C6}
.quick-card__ico{
  width:44px;height:44px;border-radius:12px;background:var(--accent-soft);
  display:grid;place-items:center;
}
.quick-card__ico i{display:block;width:16px;height:16px;border:1.5px solid var(--accent-ink);border-radius:4px}
.quick-card__title{font-size:19px;font-weight:600;margin-top:20px}
.quick-card__desc{font-size:14px;color:var(--text-2);margin-top:10px;line-height:1.75}
.quick-card__foot{font-size:14px;font-weight:600;color:var(--brand-link);display:inline-flex;align-items:center;gap:6px}
.quick-card:hover .quick-card__foot{color:var(--accent)}

/* ---------- FAQ 主体 ---------- */
.faq-layout{display:grid;grid-template-columns:220px 1fr;gap:60px;align-items:start}
.toc{position:sticky;top:96px;align-self:start}
.toc__label{font-size:13px;letter-spacing:.16em;color:var(--text-3);font-weight:600;margin-bottom:14px}
.toc__item{
  position:relative;display:block;padding:11px 0 11px 16px;font-size:15px;color:var(--text-2);
  transition:color .25s var(--ease);
}
.toc__item::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:2px;
  background:transparent;transition:background-color .25s var(--ease);
}
.toc__item:hover{color:var(--text-1)}
.toc__item.is-current{color:var(--text-1);font-weight:600}
.toc__item.is-current::before{background:var(--accent)}
.toc__help{
  margin-top:26px;padding:20px;border-radius:var(--radius-card);
  background:var(--accent-soft);font-size:14px;color:var(--text-2);line-height:1.75;
}
.toc__help a{color:var(--accent-ink);font-weight:600;display:inline-flex;gap:5px;align-items:center;margin-top:8px}

.faq-group{margin-bottom:64px}
.faq-group:last-child{margin-bottom:0}
.faq-group__head{display:flex;align-items:baseline;gap:14px;margin-bottom:22px}
.faq-group__num{
  font-family:"Noto Serif SC",serif;font-weight:900;font-size:22px;color:var(--accent);
  line-height:1;
}
.faq-list{display:grid;gap:12px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  overflow:hidden;transition:border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.faq-item:hover{border-color:#D6D1C6}
.faq-item.is-open{border-color:#F2CBBO;box-shadow:var(--shadow-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:transparent;border:0;text-align:left;cursor:pointer;
  padding:19px 22px;font-size:16px;font-weight:500;color:var(--text-1);line-height:1.6;
}
.faq-icon{position:relative;flex:0 0 18px;width:18px;height:18px;transition:transform .3s var(--ease)}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--text-2);border-radius:2px;
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:var(--accent)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .36s var(--ease)}
.faq-item.is-open .faq-a{max-height:360px}
.faq-a__inner{padding:0 22px 22px;border-top:3px solid var(--accent);margin:0 22px;padding-left:0;padding-right:0}
.faq-a__inner p{font-size:15px;color:var(--text-2);line-height:1.85;padding-top:16px}

/* ---------- 自助排查 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative}
.step{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:32px 28px;transition:transform .32s var(--ease),box-shadow .32s var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.step__num{
  font-family:"Noto Serif SC",serif;font-weight:900;font-size:34px;color:var(--brand-deep);
  line-height:1;letter-spacing:-.02em;
}
.step__title{font-size:18px;font-weight:600;margin-top:18px}
.step__desc{font-size:14px;color:var(--text-2);margin-top:10px;line-height:1.8}
.step__tag{
  display:inline-block;margin-top:18px;font-size:12px;font-weight:600;
  background:var(--accent-soft);color:var(--accent-ink);border-radius:10px;padding:5px 11px;
}

/* ---------- 未解决引导条 ---------- */
.solve-bar{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  background:var(--accent-soft);border:1px solid #F6DACF;border-radius:var(--radius-card);
  padding:34px 38px;flex-wrap:wrap;
}
.solve-bar__title{font-family:"Noto Serif SC",serif;font-weight:700;font-size:24px;line-height:1.35}
.solve-bar__desc{font-size:15px;color:var(--text-2);margin-top:8px;max-width:640px}

/* ---------- 表单区 ---------- */
.contact-wrap{max-width:760px;margin:0 auto}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:36px}
.field{display:flex;flex-direction:column;gap:8px}
.field--full{grid-column:1 / -1}
.field label{font-size:13px;color:var(--text-2);font-weight:500}
.field input,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--radius-field);
  background:var(--surface);padding:12px 14px;min-height:48px;font-size:15px;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.field textarea{min-height:132px;resize:vertical;line-height:1.75}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,106,61,.24);
}
.field input::placeholder,.field textarea::placeholder{color:#A9AFAB}
.form-foot{margin-top:26px;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.form-privacy{font-size:13px;color:var(--text-3);margin-top:16px;line-height:1.7}
.form-note{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 28px;margin-top:36px;font-size:14px;color:var(--text-2);line-height:1.85;
}
.form-note strong{color:var(--text-1);font-weight:600}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-ink);color:var(--paper);padding:72px 0 32px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:48px;padding-bottom:48px}
.footer-brand__text{font-size:14px;color:#B9C0BC;line-height:1.85;margin-top:20px;max-width:340px}
.footer-logo .logo__main{color:var(--paper)}
.footer-logo .logo__sub{color:#8F9894}
.footer-logo .logo__mark{background:#1B3F38}
.footer-title{font-size:14px;font-weight:600;color:var(--paper);margin-bottom:18px}
.footer-links{display:grid;gap:12px}
.footer-links a,.footer-links span{font-size:14px;color:#B9C0BC;transition:color .25s var(--ease)}
.footer-links a:hover{color:var(--paper);text-decoration:underline;text-underline-offset:4px}
.footer-bottom{
  border-top:1px solid rgba(247,245,240,.14);padding-top:26px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
}
.footer-bottom span{font-size:13px;color:#8F9894}
.footer-top-btn{
  background:transparent;border:0;color:#B9C0BC;font-size:13px;cursor:pointer;padding:8px 0;
  transition:color .25s var(--ease);
}
.footer-top-btn:hover{color:var(--paper)}

/* ---------- 进场动画 ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav__menu{display:none}
  .nav__toggle{display:flex}
  .hero__inner{grid-template-columns:1fr;gap:44px;padding-top:72px;padding-bottom:72px}
  .hero__title{font-size:42px}
  .hero__art img{aspect-ratio:16/10}
  .quick-grid{grid-template-columns:repeat(2,1fr)}
  .faq-layout{grid-template-columns:1fr;gap:36px}
  .toc{position:static}
  .toc nav{display:flex;gap:10px;overflow-x:auto;padding-bottom:6px;scroll-snap-type:x mandatory}
  .toc__item{
    flex:0 0 auto;border:1px solid var(--line);border-radius:var(--radius-pill);
    padding:9px 18px;scroll-snap-align:start;background:var(--surface);
  }
  .toc__item::before{display:none}
  .toc__item.is-current{background:var(--brand-deep);color:var(--paper);border-color:var(--brand-deep)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .section{padding:80px 0}
  .h2{font-size:32px}
}
@media (max-width:767px){
  .container{padding-left:20px;padding-right:20px}
  .hero__title{font-size:33px}
  .hero__title-sep{height:.68em;margin:0 10px}
  .hero__lead{font-size:16px}
  .hero__stats{gap:26px;margin-top:34px}
  .hero__stat-num{font-size:23px}
  .hero-search{flex-direction:column;border-radius:16px;padding:12px}
  .hero-search input{padding-left:8px}
  .hero-search__btn{width:100%}
  .quick-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .quick-card{min-height:210px;padding:22px 18px}
  .quick-card__title{font-size:17px}
  .steps{grid-template-columns:1fr}
  .solve-bar{padding:26px 22px}
  .form-grid{grid-template-columns:1fr}
  .sec-head--row{flex-direction:column;align-items:flex-start}
  .section{padding:60px 0}
  .section--tight{padding:52px 0}
  .h2{font-size:26px}
  .h3{font-size:19px}
  .faq-q{font-size:15px;padding:16px 18px}
  .faq-a__inner{padding:0 18px 18px;margin:0 18px;padding-left:0;padding-right:0}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .site-footer{padding:56px 0 28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --brand-ink:#0E1512;
  --brand-deep:#14332E;
  --brand-link:#1F5C51;
  --accent:#FF6A3D;
  --accent-soft:#FFF1EB;
  --lime:#D9F26B;
  --paper:#F7F5F0;
  --surface:#FFFFFF;
  --line:#E6E2DA;
  --text-1:#1B1F1D;
  --text-2:#5C6663;
  --text-3:#8A918D;
  --radius-card:18px;
  --radius-media:22px;
  --radius-sm:10px;
  --shadow-1:0 1px 2px rgba(14,21,18,.04);
  --shadow-2:0 18px 40px -18px rgba(14,21,18,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  background:var(--paper);
  color:var(--text-1);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand-link);text-decoration:none;transition:color .24s var(--ease),border-color .24s var(--ease),background-color .24s var(--ease)}
a:hover{color:var(--accent)}
h1,h2,h3,h4,p,ul,figure{margin:0}
ul{padding:0;list-style:none}
button{font-family:inherit;font-size:inherit;cursor:pointer}
input,textarea{font-family:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
@media (max-width:767px){.container{padding:0 20px}}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--brand-ink);color:var(--paper);font-size:13px}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px}
.topbar__domain{font-weight:600;letter-spacing:.05em;color:#B9C0BC;font-family:Inter,"Segoe UI",sans-serif}
.topbar__note{flex:1;text-align:center;color:#B9C0BC;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar__link{display:inline-flex;align-items:center;gap:6px;color:var(--paper);font-weight:500}
.topbar__link i{font-style:normal;transition:transform .28s var(--ease)}
.topbar__link:hover{color:var(--paper)}
.topbar__link:hover i{transform:translateX(4px)}
@media (max-width:900px){.topbar__note{display:none}}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,245,240,.92);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 24px -16px rgba(14,21,18,.55)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:70px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text-1)}
.logo:hover{color:var(--text-1)}
.logo__mark{width:30px;height:30px;border-radius:9px;background:var(--brand-deep);display:grid;place-items:center;flex:0 0 auto}
.logo__mark i{display:block;width:10px;height:10px;background:var(--accent);border-radius:3px;transform:rotate(45deg)}
.logo__text{display:flex;flex-direction:column;line-height:1.1}
.logo__main{font-family:"Noto Serif SC",serif;font-weight:700;font-size:17px;letter-spacing:.06em}
.logo__sub{font-size:10px;letter-spacing:.42em;color:var(--text-3)}
.nav__menu{display:flex;align-items:center;gap:6px}
.nav__item{position:relative;padding:8px 12px;font-size:15px;font-weight:500;color:var(--text-2);border-radius:8px}
.nav__item::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.nav__item:hover{color:var(--text-1)}
.nav__item:hover::after{transform:scaleX(1)}
.nav__item.is-active{color:var(--text-1);font-weight:700}
.nav__item.is-active::after{transform:scaleX(1)}
.nav__actions{display:flex;align-items:center;gap:12px}
.nav__toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  background:var(--surface);flex-direction:column;align-items:center;justify-content:center;gap:4px;
  transition:background .24s var(--ease),border-color .24s var(--ease);
}
.nav__toggle span{display:block;width:18px;height:2px;background:var(--text-1);border-radius:2px}
.nav__toggle:hover{border-color:var(--brand-deep)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;padding:13px 26px;
  transition:background-color .26s var(--ease),color .26s var(--ease),
             border-color .26s var(--ease),transform .2s var(--ease),box-shadow .26s var(--ease);
}
.btn:active{transform:scale(.98)}
.btn--primary{background:var(--accent);color:#FFFFFF}
.btn--primary:hover{background:#F0521F;color:#FFFFFF}
.btn--sm{padding:9px 18px;font-size:14px}
.btn--ghost{background:transparent;border-color:var(--brand-deep);color:var(--brand-deep)}
.btn--ghost:hover{background:var(--brand-deep);border-color:var(--brand-deep);color:var(--paper)}
.btn--light{background:transparent;border-color:rgba(247,245,240,.45);color:var(--paper)}
.btn--light:hover{background:var(--paper);border-color:var(--paper);color:var(--brand-ink)}

/* ---------- 通用排版 ---------- */
.eyebrow{font-size:13px;letter-spacing:.2em;color:var(--text-3);font-weight:500;margin-bottom:14px}
.eyebrow--light{color:#9AA3A0}
.section{padding:96px 0}
.section--tint{background:#F2EFE8}
.section--dark{background:var(--brand-ink);color:var(--paper)}
.section--dark .section-title{color:var(--paper)}
.section--dark .section-note{color:#B9C0BC}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px}
.section-title{font-family:"Noto Serif SC",serif;font-weight:700;font-size:clamp(26px,3.4vw,38px);line-height:1.22;letter-spacing:-.01em}
.section-note{font-size:14px;color:var(--text-2);max-width:62ch}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-link)}
.link-more::after{content:"→";transition:transform .28s var(--ease)}
.link-more:hover{color:var(--accent)}
.link-more:hover::after{transform:translateX(4px)}
@media (max-width:767px){.section{padding:60px 0}}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--brand-ink);color:var(--paper);padding:84px 0 92px}
.hero__bg{
  position:absolute;inset:0;
  background-image:linear-gradient(180deg,rgba(14,21,18,.78),rgba(14,21,18,.92)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.hero__inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:44px}
.hero__title{
  font-family:"Noto Serif SC",serif;font-weight:900;
  font-size:clamp(32px,5.6vw,60px);line-height:1.12;letter-spacing:-.02em;color:var(--paper);
}
.hero__rule{display:inline-block;width:3px;height:.72em;background:var(--accent);border-radius:2px;margin:0 .22em;vertical-align:-.03em}
.hero__sub{margin-top:20px;font-size:16px;line-height:1.85;color:#B9C0BC;max-width:54ch}
.hero__actions{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px}
.hero__stats{margin-top:44px;display:flex;flex-wrap:wrap;gap:40px}
.hero__stat b{display:block;font-family:Inter,"Segoe UI",sans-serif;font-weight:600;font-size:26px;line-height:1.2;color:var(--paper)}
.hero__stat span{font-size:13px;color:#9AA3A0}
.hero__media{
  position:relative;border-radius:var(--radius-media);overflow:hidden;
  border:1px solid rgba(247,245,240,.16);aspect-ratio:3/4;max-width:420px;
  background:#EFEDE7;
}
.hero__media img{width:100%;height:100%;object-fit:cover;object-position:center}
.hero__badge{
  position:absolute;top:16px;right:16px;background:var(--lime);color:var(--brand-ink);
  font-size:12px;font-weight:600;padding:5px 12px;border-radius:10px;
}
.hero__caption{
  position:absolute;left:16px;bottom:16px;background:rgba(14,21,18,.72);color:var(--paper);
  font-size:13px;padding:6px 12px;border-radius:10px;
}
@media (min-width:1024px){
  .hero__inner{grid-template-columns:7fr 5fr;gap:56px;align-items:center}
}
@media (max-width:1023px){
  .hero__rule{display:block;width:52px;height:3px;margin:16px 0}
  .hero__media{max-width:100%;aspect-ratio:4/5}
}

/* ---------- 筛选标签 ---------- */
.filter-row{display:flex;flex-wrap:wrap;gap:10px}
.filter-chip{
  font-size:14px;padding:9px 18px;border-radius:999px;border:1px solid var(--line);
  background:var(--surface);color:var(--text-2);transition:all .24s var(--ease);
}
.filter-chip:hover{border-color:var(--brand-deep);color:var(--brand-deep)}
.filter-chip.is-active{background:var(--brand-deep);border-color:var(--brand-deep);color:var(--paper)}

/* ---------- 横滑精选 ---------- */
.hscroll{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 4px 18px;margin:0 -4px}
.hscroll::-webkit-scrollbar{height:6px}
.hscroll::-webkit-scrollbar-thumb{background:var(--line);border-radius:999px}
.hscroll::-webkit-scrollbar-track{background:transparent}
.feature-card{
  position:relative;flex:0 0 auto;width:340px;aspect-ratio:3/4;border-radius:var(--radius-media);
  overflow:hidden;border:1px solid var(--line);background:#EFEDE7;scroll-snap-align:start;
  transition:box-shadow .32s var(--ease),transform .32s var(--ease);
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.feature-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.feature-card:hover img{transform:scale(1.04)}
.feature-card__mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,21,18,0) 32%,rgba(14,21,18,.9) 100%)}
.feature-card__body{position:absolute;left:0;right:0;bottom:0;padding:22px}
.feature-card__tag{
  display:inline-flex;font-size:12px;font-weight:600;padding:4px 10px;border-radius:10px;
  background:var(--accent-soft);color:#C2410C;margin-bottom:12px;
}
.feature-card__title{font-family:"Noto Serif SC",serif;font-size:20px;line-height:1.4;color:#FFFFFF}
.feature-card__meta{margin-top:10px;font-size:13px;color:#D6DAD7}
@media (max-width:767px){.feature-card{width:78vw}}

/* ---------- 内容分区入口 ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.channel-card{
  display:block;color:inherit;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:14px 14px 22px;box-shadow:var(--shadow-1);
  transition:transform .32s var(--ease),box-shadow .32s var(--ease),border-color .32s var(--ease);
}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);color:inherit;border-color:#DAD4C9}
.channel-card__media{aspect-ratio:16/10;border-radius:12px;overflow:hidden;background:#EFEDE7;margin-bottom:16px;border:1px solid var(--line)}
.channel-card__media img{width:100%;height:100%;object-fit:cover}
.channel-card__name{font-size:17px;font-weight:600;line-height:1.4}
.channel-card__desc{margin-top:6px;font-size:13px;color:var(--text-2);line-height:1.7}
.channel-card__count{margin-top:12px;font-size:13px;color:var(--text-3);font-family:Inter,"Segoe UI",sans-serif}
@media (max-width:1023px){.channel-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.channel-grid{grid-template-columns:1fr}}

/* ---------- 内容卡片网格 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media (max-width:1023px){.card-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:767px){.card-grid{grid-template-columns:1fr}}
.content-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);color:inherit;
  transition:transform .32s var(--ease),box-shadow .32s var(--ease),border-color .32s var(--ease);
}
.content-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);color:inherit}
.content-card__media{position:relative;aspect-ratio:3/4;overflow:hidden;background:#EFEDE7;border-bottom:1px solid var(--line)}
.content-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.content-card:hover .content-card__media img{transform:scale(1.04)}
.content-card__body{display:flex;flex-direction:column;flex:1;padding:20px 22px 22px}
.tag{
  display:inline-flex;align-self:flex-start;font-size:12px;font-weight:600;
  background:var(--accent-soft);color:#C2410C;padding:4px 10px;border-radius:10px;margin-bottom:12px;
}
.content-card__title{
  font-size:18px;font-weight:600;line-height:1.5;min-height:3em;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.content-card__desc{
  margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.75;min-height:3.5em;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.content-card__meta{
  margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);font-family:Inter,"Segoe UI",sans-serif;
}
.content-card__meta .arrow{font-family:"Noto Sans SC",sans-serif;color:var(--brand-link);transition:transform .28s var(--ease)}
.content-card:hover .content-card__meta .arrow{transform:translateX(4px);color:var(--accent)}
.content-card:hover .content-card__title{color:var(--brand-link)}

/* ---------- 更新节奏数据条 ---------- */
.stats-strip{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid rgba(247,245,240,.16);margin-top:8px}
.stats-strip__item{padding:32px 28px;border-right:1px solid rgba(247,245,240,.16)}
.stats-strip__item:last-child{border-right:0}
.stats-strip__num{font-family:Inter,"Segoe UI",sans-serif;font-weight:600;font-size:clamp(30px,4vw,44px);line-height:1.1;color:var(--paper)}
.stats-strip__num em{font-style:normal;font-size:.5em;color:var(--accent);margin-left:6px}
.stats-strip__label{margin-top:10px;font-size:15px;color:var(--paper);font-weight:600}
.stats-strip__text{margin-top:6px;font-size:14px;color:#B9C0BC;line-height:1.75}
@media (max-width:900px){
  .stats-strip{grid-template-columns:1fr}
  .stats-strip__item{border-right:0;border-bottom:1px solid rgba(247,245,240,.16);padding:24px 0}
  .stats-strip__item:last-child{border-bottom:0}
}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;margin:0 auto}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden;transition:border-color .26s var(--ease)}
.faq-item.is-open{border-color:#D8D2C6}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:none;border:0;text-align:left;
  font-size:17px;font-weight:600;color:var(--text-1);line-height:1.5;
}
.plus{position:relative;flex:0 0 auto;width:16px;height:16px}
.plus::before,.plus::after{content:"";position:absolute;background:var(--text-2);transition:transform .3s var(--ease),opacity .3s var(--ease),background-color .3s var(--ease)}
.plus::before{left:0;top:7px;width:16px;height:2px;border-radius:2px}
.plus::after{left:7px;top:0;width:2px;height:16px;border-radius:2px}
.faq-item.is-open .plus::after{transform:rotate(90deg);opacity:0}
.faq-item.is-open .plus::before{background:var(--accent)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s var(--ease)}
.faq-item.is-open .faq-a{max-height:420px}
.faq-a__inner{padding:0 22px 20px}
.faq-bar{display:block;height:3px;background:var(--accent);border-radius:2px;margin-bottom:16px}
.faq-a__inner p{font-size:15px;color:var(--text-2);line-height:1.85}

/* ---------- CTA 表单 ---------- */
.cta-wrap{max-width:720px;margin:0 auto}
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-media);padding:36px;box-shadow:var(--shadow-1)}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:8px}
.field input,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:var(--paper);padding:0 14px;height:48px;color:var(--text-1);
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.field textarea{height:auto;min-height:120px;padding:12px 14px;line-height:1.75;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,106,61,.22)}
.form-actions{margin-top:26px}
.form-note{margin-top:14px;font-size:13px;color:var(--text-3);line-height:1.7}
@media (max-width:767px){.form-card{padding:24px}}

/* ---------- 悬浮行动条 ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:40;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s;
  box-shadow:0 16px 32px -18px rgba(14,21,18,.5);
}
.float-cta.is-show{opacity:1;visibility:visible;transform:none}
@media (max-width:767px){.float-cta{display:none}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-ink);color:#B9C0BC;padding:72px 0 32px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-title{font-size:14px;font-weight:600;color:var(--paper);margin:0 0 16px}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:#B9C0BC}
.footer-links a:hover{color:var(--paper);text-decoration:underline;text-underline-offset:4px}
.footer-links span{font-size:14px;color:#B9C0BC}
.footer-logo .logo__main{color:var(--paper)}
.footer-logo .logo__sub{color:#8A918D}
.footer-logo .logo__mark{background:var(--paper)}
.footer-brand__text{margin-top:18px;font-size:14px;line-height:1.85;max-width:34ch}
.footer-bottom{
  margin-top:56px;padding-top:24px;border-top:1px solid rgba(247,245,240,.14);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;
}
.footer-top-btn{background:none;border:0;color:#B9C0BC;font-size:13px;padding:6px 0;min-height:44px}
.footer-top-btn:hover{color:var(--paper)}
@media (max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr;gap:32px}}

/* ---------- 滚动进场 ---------- */
.js .reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.js .reveal.is-in{opacity:1;transform:none}

/* ---------- 移动端抽屉 ---------- */
@media (max-width:1023px){
  .nav__toggle{display:flex}
  .nav__menu{
    position:fixed;left:0;right:0;top:0;bottom:0;
    background:var(--paper);flex-direction:column;align-items:stretch;gap:0;
    padding:96px 24px 32px;transform:translateX(100%);visibility:hidden;
    transition:transform .34s var(--ease),visibility .34s;z-index:60;
  }
  .nav__menu.is-open{transform:translateX(0);visibility:visible}
  .nav__item{font-size:20px;font-weight:600;height:56px;display:flex;align-items:center;padding:0 8px;border-bottom:1px solid var(--line);border-radius:0}
  .nav__item::after{display:none}
  .nav__item.is-active{color:var(--brand-deep)}
  .nav__item.is-active::before{content:"";width:3px;height:18px;background:var(--accent);border-radius:2px;margin-right:10px}
  .nav__actions .btn{display:none}
}
@media (max-width:1023px){
  body.nav-open{overflow:hidden}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
  .js .reveal{opacity:1;transform:none}
}